Alert archive / Georgia / Flash Flood Warnings in 2020
Flash Flood Warning 42, NWS Atlanta, GA
NWS Atlanta, GA issued this flash flood warning at Aug 25, 2020, 8:39 AM EDT for Pike County, Spalding County, Georgia. It was in force for 6 hr. 3 reports came from inside the area while it was in force.
The area
The outline as issued, with what was reported inside it.
The facts
- Issued
- Aug 25, 2020, 8:39 AM EDT (12:39 UTC)
- Expired
- Aug 25, 2020, 2:33 PM EDT
- In force
- 6 hr
- Issued by
- NWS Atlanta, GA
- Area
- Storm-based polygon
- Flood severity
- None
Counties Pike County, GA, Spalding County, GA
The radar
The Atlanta radar (KFFC), 24 km from the middle of the area, began a volume at 12:41 UTC, the scan nearest the moment this went out.
Open the radar archive at this moment
The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Aug 25, 8:45 AM EDT | FLASH FLOOD | 1 Nnw Williamson, GA | REPORTS OF FLOODING ON BETHANY RD NEAR W WILLIAMSON RD WITH ROAD CLOSURES IN EFFECT. |
| Aug 25, 9:20 AM EDT | FLASH FLOOD | 1 Ese Vaughn, GA | ROAD CLOSURE ON S. NEW SALEM RD AND W. MCINTOSH RD DUE TO FLOODING ON THE ROADWAY. |
| Aug 25, 9:20 AM EDT | FLASH FLOOD | 2 Nw Highland Mills, GA | A CAR WAS STUCK IN FLOODED WATERS ON VINEYARD RD, ON THE NW SIDE OF GRIFFIN. |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Peachtre/Fal Fld, GA (KFFC), launched 12:00Z, 0.7 hours before the alert went out and 20 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.
- Mixed-layer CAPE
- 41 J/kg
- Mixed-layer CIN
- -92 J/kg
- Mixed-layer LCL
- 813 m above ground
- 0-6 km bulk shear
- 12 kt
- 0-1 km storm-relative helicity
- 42 m²/s²
- 0-3 km storm-relative helicity
- 223 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
954
WGUS52 KFFC 251239
FFWFFC
GAC231-255-251845-
/O.NEW.KFFC.FF.W.0042.200825T1239Z-200825T1845Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Peachtree City GA
839 AM EDT Tue Aug 25 2020
The National Weather Service in Peachtree City has issued a
* Flash Flood Warning for...
Northeastern Pike County in west central Georgia...
Central Spalding County in west central Georgia...
* Until 245 PM EDT Tuesday.
* At 839 AM EDT, Doppler radar indicated thunderstorms producing
heavy rain across the warned area. Between 1.5 and 2 inches of
rain have fallen. Flash flooding is ongoing or expected to begin
shortly.
HAZARD...Flash flooding caused by thunderstorms.
SOURCE...Doppler radar.
IMPACT...Flooding of small creeks and streams, urban areas,
highways, streets and underpasses as well as other
drainage and low lying areas.
* Some locations that will experience flash flooding include...
Griffin, Zebulon, Williamson, Rover, Zetella, Vaughn, Highland
Mills, Experiment and Birdie.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.
If you see significant flooding call the National Weather Service
toll free at 1 8 6 6 7 6 3 4 4 6 6 or tweet us your report at
NWSATLANTA.
&&
LAT...LON 3322 8445 3329 8441 3330 8440 3332 8439
3332 8438 3333 8439 3334 8438 3335 8438
3335 8434 3334 8431 3331 8428 3329 8427
3326 8427 3322 8427 3313 8427 3309 8429
3306 8431 3305 8437 3306 8440
FLASH FLOOD...RADAR INDICATED
$$1 follow-up statement
350
WGUS72 KFFC 251833
FFSFFC
Flash Flood Statement
National Weather Service Peachtree City GA
233 PM EDT Tue Aug 25 2020
GAC231-255-251843-
/O.CAN.KFFC.FF.W.0042.000000T0000Z-200825T1845Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Pike GA-Spalding GA-
233 PM EDT Tue Aug 25 2020
...FLASH FLOOD WARNING IS CANCELLED FOR NORTHEASTERN PIKE AND
CENTRAL SPALDING COUNTIES...
The heavy rain has ended. Flooding is no longer expected to pose a
threat. Please continue to heed remaining road closures.
LAT...LON 3322 8445 3329 8441 3330 8440 3332 8439
3332 8438 3333 8439 3334 8438 3335 8438
3335 8434 3334 8431 3331 8428 3329 8427
3326 8427 3322 8427 3313 8427 3309 8429
3306 8431 3305 8437 3306 8440
$$The office that day
Everything else NWS Atlanta, GA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 24, 8:07 PM EDT | Special Weather Statement | FFC | Pulaski | 23 min |
| Aug 24, 8:35 PM EDT | Special Weather Statement | FFC | Pulaski | 25 min |
| Aug 24, 8:49 PM EDT | Special Weather Statement | FFC | Telfair, Wheeler | 26 min |
| Aug 24, 9:03 PM EDT | Special Weather Statement | FFC | Pulaski | 27 min |
| Aug 24, 9:17 PM EDT | Special Weather Statement | FFC | Wheeler | 28 min |
| Aug 24, 9:21 PM EDT | Special Weather Statement | FFC | Treutlen | 24 min |
| Aug 24, 9:41 PM EDT | Special Weather Statement | FFC | Telfair | 34 min |
| Aug 24, 9:51 PM EDT | Special Weather Statement | FFC | Treutlen | 24 min |
| Aug 24, 9:53 PM EDT | Special Weather Statement | FFC | Toombs | 37 min |
| Aug 24, 10:33 PM EDT | Special Weather Statement | FFC | Toombs | 27 min |
| Aug 24, 11:02 PM EDT | Special Weather Statement | FFC | Montgomery, Toombs | 28 min |
| Aug 24, 11:29 PM EDT | Special Weather Statement | FFC | Emanuel, Montgomery, Toombs | 31 min |
| Aug 24, 11:57 PM EDT | Special Weather Statement | FFC | Emanuel | 33 min |
| Aug 25, 12:29 AM EDT | Special Weather Statement | FFC | Emanuel | 31 min |
| Aug 25, 2:43 AM EDT | Special Weather Statement | FFC | Montgomery, Wheeler | 32 min |
| Aug 25, 3:21 AM EDT | Special Weather Statement | FFC | Montgomery, Treutlen, Wheeler | 24 min |
| Aug 25, 9:26 AM EDT | Flash Flood Warning | FFC | Coweta, Fayette, Meriwether | 3 hr |
| Aug 25, 10:07 AM EDT | Flash Flood Warning | FFC | DeKalb, Henry, Rockdale, Spalding | 4 hr |
| Aug 25, 10:56 AM EDT | Special Weather Statement | FFC | Barrow, Gwinnett | 64 min |
| Aug 25, 12:10 PM EDT | River Flood Warning | FFC | Spalding | 3 hr |
| Aug 25, 12:59 PM EDT | Special Weather Statement | FFC | Haralson | 31 min |
| Aug 25, 1:41 PM EDT | Special Weather Statement | FFC | Paulding | 34 min |
| Aug 25, 2:23 PM EDT | Flash Flood Warning | FFC | Haralson, Polk | 2 hr |
| Aug 25, 6:22 PM EDT | Special Weather Statement | FFC | Toombs | 23 min |
| Aug 25, 6:27 PM EDT | Severe Thunderstorm Warning | FFC | Toombs | 48 min |
Nearby
Flash Flood Warnings in Georgia, 2020Every flash flood warning in 2020
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.